WorksheetsPolymers in the Aircraft Industry Quiz
Total questions: 13
Worksheet time: 7mins
What is the primary reason polymers are used in the aircraft industry?
To increase the weight of components
To decrease the durability of components
To increase the cost of production
To reduce the weight of components
Which of the following is a naturally occurring polymer?
Polyethylene
Nylon
Silk
Neoprene
What is the most common starting material for most man-made polymers?
Crude oil
Natural gas
Wood
Coal
Which property is NOT typically required for polymers used in aircraft manufacture?
High thermal properties
Low mechanical properties
Optical properties
Flame resistance
What is a characteristic of amorphous polymers?
They have a well-defined order in solid state
They are generally opaque
They can be produced in transparent form
They are always crystalline
Which of the following is a consequence of crystallization in polymers?
Increased clarity
Greater shrinkage as it cools
Easier to bond using adhesives
Less rigidity
What is a common use for polymers in modern aircraft production?
To make the aircraft more opaque
To reduce the strength of the aircraft
To increase the weight of the aircraft
To provide the matrix in composite materials
What is the process of combining two or more different monomers in a single polymer chain called?
Copolymerisation
Blending
Branching
Cross-linking
Which additive is used to prevent damage to the polymer by ultraviolet radiation?
Fillers
Flame retardants
Stabilisers
Plasticisers
What is the effect of introducing large groups of atoms along the polymer chain?
Increases ductility
Decreases stiffness
Reduces the ability of the chain to flex
Increases flexibility
What is the role of plasticisers in polymers?
To increase the polymer's rigidity
To reduce the polymer's weight
To enhance the polymer's flexibility
To improve the polymer's thermal resistance
Which process is used to enhance the strength and durability of polymers?
Vulcanization
Amorphization
Crystallization
Polymerization
What is a key advantage of using polymers in packaging materials?
They are lightweight and durable
They are expensive to produce
They are biodegradable
They are highly conductive
